<template>
  <div class="topbar">
    <div class="wrap tapbarwrap">
      <!-- 左侧 -->
      <div class="left">欢迎来到叩丁狼积分商城</div>
       <!-- 右侧导航 -->
      <ul class="right">
        <li>
          <img :src="userInfo.headImg" class="avatar" alt="" />
          用户名：{{userInfo.nickName}}
        </li>
        <li>我的积分：{{ userInfo.coin }}</li>
        <li>获取积分</li>
        <li>叩丁狼官网</li>
        <li class="cart-btn" v-if="isLogined" @click="toCartsFn">
          <img src="../assets/img/cart.png" alt="" />
          <span>购物车</span>
          <strong>{{cartTotal}}</strong>
        </li>
        <li class="loginbtn" v-else @click="changeIsShowLoginModal(true)">
          登录
        </li>
      </ul>
    </div>
  </div>
</template>

<script>
import { mapMutations, mapState,mapActions } from 'vuex';
import { WeiXinLoginAPI } from "@/request/api";
export default {
  created(){
    this.$router.onReady(async()=>{
      console.log("*topbar-created",this.$route.query);
       //向后端发起微信扫码登录请求
      let pathcode = this.$route.query.code;
      if(pathcode){
        let res = await WeiXinLoginAPI({
          code:pathcode
        })
        if(!res) return;
        console.log("weixinxres:",res);
        if(res.code == 0){
           // 扫码登录成功
          this.asyncShowToast({
            isShow: true,
            msg: "扫码登录成功",
            type: "success",
          });
           //  存储token
          localStorage.setItem("x-auth-token", res["x-auth-token"]);
          // 切换按钮(显示购物车按钮)
          this.changeIsLogined(true);
          // 清除地址栏中code
          this.$router.push(this.$route.path);
          // 请求用户信息
           this.asyncChangeUserInfo();
        }else if(res.code==400){
          //二维码超时2min  .
          //code已经使用过了,再次发送  
          //code错误
          this.asyncShowToast({
            isShow: true,
            msg: "二维码失效,请重新扫码",
            type: "error",
          });
          this.changeIsShowLoginModal(true);
        }else if(res.code==407){
          //提示用户需要绑定手机号码
         this.asyncShowToast({
            isShow: true,
            msg: "请使用手机号码再登录一次",
            type: "error",
          });
          // 自动打开登录模态框
          this.changeIsShowLoginModal(true)
          // 本地存储uuid
          localStorage.setItem("uuid",res.uuid);
          // 清除地址栏中code
           this.$router.push(this.$route.path);
        }
      }else{
        console.log("进入了create的else代码部分....");
         let token = localStorage.getItem("x-auth-token");
          this.changeIsLogined(Boolean(token));
          if(token){
            //已登录 
          this.asyncChangeUserInfo();
          }else{
            //未登录
            this.initUserInfo();
          }
      }
    })
  },
  computed:{
    ...mapState({
      isLogined:(state)=>state.loginStatus.isLogined,
      userInfo: (state) => state.userInfo.userInfo,
      cartTotal: (state) => state.userInfo.cartTotal,
    })
  },
  methods:{
    ...mapMutations({
      changeIsShowLoginModal:"showModal/changeIsShowLoginModal",
         changeIsLogined: "loginStatus/changeIsLogined",
         initUserInfo:"userInfo/initUserInfo"
    }),
      ...mapActions({
      asyncShowToast: "showToast/asyncShowToast",
        asyncChangeUserInfo: "userInfo/asyncChangeUserInfo",
    }),
    toCartsFn(){
      this.$router.push("/user")
    }
  },
  // watch:{
  //   "$route.path":{
  //     handler(newVal,oldVal){
  //       console.log(newVal,oldVal);
  //       // 判断本地是否存在token
  //       // if(token){
  //       //   this.changeIsLogined(true);
  //       // }else{
  //       //   this.changeIsLogined(false);
  //       // }
  //       let token = localStorage.getItem("x-auth-token");
  //       this.changeIsLogined(Boolean(token))
  //     }
  //   }
  // }
};
</script>

<style lang="less" scoped>
.topbar{
  height: 40px;
  line-height: 40px;
  background: #242b39;
  font-size: 14px;
   font-family: SourceHanSansSC;
  font-weight: 300;
  color: #fff;
  .tapbarwrap{
    display: flex;
    justify-content: space-between;
  
  .right{
    li{
    float: left;
    margin-left: 20px;
    cursor: pointer;
    text-align: center;
    &.loginbtn{
     background: #0a328e;
          width: 124px;
    }
     &.cart-btn {
          width: 124px;
          height: 40px;
          background: #0a328e;
          text-align: center;
          img {
            width: 20px;
            height: 19px;
            vertical-align: middle;
          }
          span {
            margin: 0 8px;
          }
          strong {
            width: 22px;
            height: 22px;
            line-height: 22px;
            display: inline-block;
            border-radius: 50%;
            background-color: #fd604d;
          }
        }
    .avatar{
      width: 23px;
      height: 23px;
      border-radius: 50%;
      vertical-align: middle;
    }
    }
   
}
  }
}
</style>